Press Release

SUNDAY SELECTS PHONE.COM WAP PLATFORM FOR HONG KONG MARKET

Hong Kong Carrier Will Introduce WAP-based Services for its Mobile Customers

REDWOOD CITY, Calif (October 8, 1999) ¾ Phone.com, Inc. (NASDAQ: PHCM), and SUNDAY, Hong Kong's largest PCS network operator, today announced that SUNDAY has licensed the Phone.com™ Wireless Application Protocol (WAP)-compatible UP.Link™ Server 4.0. Under the terms of the agreement, SUNDAY will use its Phone.com software license to provide new wireless Internet service offerings to its Hong Kong mobile customers.

Using Phone.com software, SUNDAY will be able to transform handsets into wireless Internet appliances in Hong Kong. With the WAP solution from Phone.com, SUNDAY will bring the Internet to the hands of its subscribers. Not only will its subscribers be able to leverage the richness of Internet content, SUNDAY will also be providing a wide range of WAP services, such as Info-On-Demand services (e.g. financial news, weather, etc.), and Personal Information Management services (e.g. mobile email, personal organizer, scheduler, etc.). Furthermore, SUNDAY will deliver Mobile Commerce for its subscribers together with numerous innovative and exciting services.

These new SUNDAY services can be accessed through mobile phones equipped with a WAP-compatible microbrowser such as the Phone.com™ UP.Browser™ microbrowser.

"Our partnership and commercial agreement with Phone.com represents a major breakthrough in achieving access to Internet-based information via mobile phones in Hong Kong, and in Greater China in the future." Said Mr. Craig Ehrlich, Group Managing Director of SUNDAY in Hong Kong. "We are extremely pleased to team up with Phone.com as this leading global company has the same innovative drive, brand philosophy and vision as SUNDAY."

"Our commercial agreement with SUNDAY further illustrates that Phone.com continues to successfully execute on its strategy to partner with world class telecommunications companies to bring Internet content and services to wireless networks worldwide." Said Tony Miranzadeh, Phone.com's Vice President of Sales and Business Development for Asia Pacific and Latin America. "Phone.com's state-of-the-art WAP technology and commercialization know-how combined with SUNDAY's renowned creative marketing, innovative services and proven track record will ensure rapid delivery of the best of the Internet to SUNDAY wireless users in Hong Kong."

About SUNDAY
SUNDAY is a leading wireless communications company in Hong Kong with a vision to provide the highest quality wireless services to the people of the Special Administrative Region (SAR). SUNDAY was the first operator in the world to introduce the "mobile Intelligent network" and location enquiry services. With its recently launched IDD service and soon to be launched ISP business, SUNDAY is continuing to expand as one of Asia's fastest growing independent telecommunications providers. Together with Nortel Networks, SUNDAY will be deploying GPRS and 3G applications enabling users to access the Internet and other data and multimedia services via their handsets. Commercial services are expected to be available in the market in early 2000. SUNDAY is the largest PCS network in Hong Kong with over 750 cellsites, as well as an extensive support infrastructure throughout Hong Kong

About Phone.com
Phone.com, Inc. is a leading provider of software that enables the delivery of Internet-based services to mass-market wireless telephones. Using its software, wireless subscribers have access to Internet- and corporate intranet-based services, including Email, news, stocks, weather, travel and sports. In addition, subscribers have access via their wireless telephones to network operators' intranet-based telephony services, which may include over-the-air activation, call management, billing history information, pricing plan subscription and voice message management. Phone.com is headquartered in Silicon Valley, California and has regional offices in London and Tokyo. Visit http://www.phone.com for more information.

Except for the historical information contained herein, the matters discussed in this news release are forward-looking statements involving risks and uncertainties that could cause actual results to differ materially from those in such forward-looking statements. Potential risks and uncertainties include, but are not limited to, Phone.com's limited operating history, potential fluctuations in Phone.com's operating results, uncertainties related to the Phone.com's long sales cycle and reliance on a small number of customers, Phone.com's dependence on the acceptance of its products by network operators and wireless subscribers, Phone.com's ability to adequately address the rapidly-evolving market for delivery of Internet-based services through wireless telephones, the need to achieve widespread integration of Phone.com's browser in wireless telephones, competition from companies with substantially greater financial, technical, marketing and distribution resources and the ability of Phone.com to manage a complex set of engineering, marketing and distribution relationships. Further information regarding these and other risks is included in Phone.com's form 10K September 24, 1999 and in its other filings with the Securities and Exchange Commission.

The Phone.com name and logo and the family of terms carrying the "UP." prefix are trademarks of Phone.com, Inc. All Rights Reserved. All other brands and product names may be trademarks of the respective companies with which they are associated.

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